Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Chemistry: 05 - Chemical Bonding: Chemical Formulas > Writing Formulas Of Compounds Containing Transition Metals > Flashcards

Writing Formulas Of Compounds Containing Transition Metals Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards
1
Q

Define the valency of an element.

A

The valency of an element is defined as the number of atoms of hydrogen or ay other monovalent element with which each atom of the element combines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Give the four transition metals that show variable valency.

A

Iron

Copper

Chromium

Manganese

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What can be formed when iron combines with chlorine?

2

A

FeCl2 Iron (II) chloride

FeCl3 Iron (III) chloride

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is FeCl2?

A

Iron (II) chloride

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is FeCl3?

A

Iron (III) chloride

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What can be formed when copper combines with oxygen?

2

A

Cu2O Copper (I) oxide

CuO Copper (II) oxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is Cu2O?

A

Copper (I) oxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is CuO?

A

Copper (II) oxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the formula for copper (I) oxide?

A

Cu2O

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the formula for copper (II) oxide?

A

CuO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How does chromium combine with chlorine?

A

Chromium exists as Cr^3+ ions in chromium (III) chloride, CrCl3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the formula for chromium (III) chloride?

A

CrCl3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is CrCl3?

A

Chromium (III) chloride

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How does chromium combine with sodium?

A

Chromium exists as Cr^6+ in sodium dichromate/sodium dichromate (VI) Na2Cr2O7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is Na2Cr2O7?

A

Sodium dichromate/sodium dichromate (VI)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the formula for sodium dichromate/sodium dichromate (VI)?

A

Na2Cr2O7

17
Q

What is MnO2?

A

Manganese (IV) oxide or manganese dioxide

18
Q

What is the formula for manganese (IV) oxide or manganese dioxide?

A

MnO2

19
Q

What is MnSO4?

A

Manganese (II) sulfate

20
Q

What is the formula for manganese (II) sulfate?

A

MnSO4

21
Q

What are the two names for KMnO4?

A

Potassium permanganate or potassium manganate (VII)

22
Q

What is the formula for potassium permanganate or potassium manganate (VII)?

A

KMnO4

23
Q

Why do transition metals exhibit variable valency?

2

A

Because there is such a small energy difference between the 4s and 3d sublevels

This means that they can lose different numbers of electrons from these sublevels to give metal ions with different positive charges

24
Q

Describe a compound ending in -ide.

A

Contains just two elements

25
Q

Describe a compound ending in -ate.

A

Contain oxygen as well as two other elements

26
Q

What is the ending to all ionic compounds containing just two elements?

A

ide

27
Q

What is the ending to all ionic compounds containing oxygen as well as two other elements?

A

ate

Chemistry: 05 - Chemical Bonding: Chemical Formulas (24 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions